Download Free Is there a app I can install to block the setting on my mother phone?

Hello. I gave my mother a s3 mini and a Chinese tablet. She love then both. But I have a problem she always mess with the settings. I wish I can block the settings icon. Or put a password in the icon to open or something.

Download link http://www.mannesoth.com/download/19/12964000/Is there a app I can install to block the setting on my mother phone?